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Determine the number that makes the equation true.

+ 2 = 41 – 8

  • A

    33

  • B

    28

  • C

    31

  • D

    30

The correct answer is 31.

Solution:
Consider the given equation.
+ 2 = 41 – 8

To determine the missing number, first, we need to find: 41 – 8.

Which gives:
41 - 8 = 33

Then,
+ 2 = 41 – 8

+ 2 = 33

Next, to find the missing number we find: 33 – 2.

Which gives:
33 – 2 = 31

So,
31 + 2 = 41 – 8

That is, number 31 makes the equation true.